exercise

Hendrik Jungnitsch

2022-09-02 ca31cff26810ce280df03da252d3bbf73b932409

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
package de.gedoplan.seminar.jpa.exercise.rest;
 
import java.util.Optional;
 
import org.slf4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.server.ResponseStatusException;
 
import de.gedoplan.seminar.jpa.exercise.domain.Junction;
import de.gedoplan.seminar.jpa.exercise.repository.JunctionRepository;
 
@RestController
@RequestMapping("/junctions")
public class JunctionResource {
 
 
 
  @Autowired
  Logger logger;
 
  @Autowired
  JunctionRepository junctionRepository;
 
  /**
   * Exercise JPA_BASICS_02: Insert test data.
   */
  @PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE)
  public void insert(@RequestBody Junction junction) {
    this.logger.debug("----- insert -----");
 
    this.junctionRepository.save(junction);
    
    this.logger.debug("Inserted: " + junction);
  }
  
  /**
   * Exercise JPA_BASICS_04
   */
  @GetMapping("loadByName")
  public Junction loadByName(@RequestParam("name") String name) {
    this.logger.debug("----- loadByName -----");
 
    Optional<Junction> junction = this.junctionRepository.readByName(name);
    
    junction.ifPresent(j -> this.logger.debug(name+": "+j));
    return junction.orElseThrow(() -> new ResponseStatusException(HttpStatus.NOT_FOUND));
  }
}